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动圆与两圆外切与内切(2)
Author:
蔡永志
动圆与两圆外切与内切(2)
GeoGebra
New Resources
判斷球體
【案例】2018年全国1卷理科12题
三位數除以一位數（二）
異分母分數減法
球體建築師
Discover Resources
畫三角形 題3b
題四
[S3] a GeoGebra file created by a pre-service teacher Peter (pseudonym)
旁心
撒针估算面积实验
Discover Topics
Cuboid
Division
Probability
Hypergeometric Distribution
Combinatorics